Demi Louise O'Brien, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MD-50804 Issued in IA

Practice address

825 NE Gateway Dr Ste 148
Grimes, IA 50111-1307

Phone

(515) 875-9607

NPI assigned

May 22, 2020

Last updated

Sep 21, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Other, 2020

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Everystep Home health agency, Creston, IA, CCN 167430
• Greater Regional Medical Center Hospital, Creston, IA, CCN 161365
• Adair County Memorial Hospital Hospital, Greenfield, IA, CCN 161310

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: deble601355@direct.unitypoint.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Greater Regional Medical Center

  • Critical Access Hospital
  • Creston, IA
  • NPI 1902805062
  Medicare reassignment NPD
• Iowa Physicians Clinic Medical Foundation

  dba UnityPoint Clinic

  • General Practice Physician
  • West Des Moines, IA
  • NPI 1366425274

  Family Medicine

  Medicare reassignment NPD
• Greater Regional Medical Center

  • Rural Health Clinic/Center
  • Greenfield, IA
  • NPI 1194406223

  Family Medicine

  NPD
• St Luke's Methodist Hospital

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1083708226
  NPD
• The Iowa Clinic, PC

  • Durable Medical Equipment & Medical Supplies
  • West Des Moines, IA
  • NPI 1871451328
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Adair County Memorial Hospital

  • Critical Access Hospital
  • Greenfield, IA
  • NPI 1780667519
  Care Compare affiliation
• Greater Regional Medical Center

  • Critical Access Hospital
  • Creston, IA
  • NPI 1902805062
  Care Compare affiliation
• Visiting Nurse Services of Iowa

  dba EveryStep

  • Home Health Agency
  • Creston, IA
  • NPI 1144689134
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1590105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789948800000",
    "number": "1700409828",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7147 VISTA DR STE 150",
            "city": "WEST DES MOINES",
            "state": "IA",
            "postal_code": "502669317",
            "telephone_number": "515-875-9925"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "825 NE GATEWAY DR STE 148",
            "city": "GRIMES",
            "state": "IA",
            "postal_code": "501111307",
            "telephone_number": "515-875-9607"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "DEMI",
        "middle_name": "LOUISE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-05-22",
        "last_updated": "2026-09-21",
        "certification_date": "2026-09-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IA",
            "license": "MD-50804",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nerem Family Chiropractic Inc
• Nicholas John Nerem, D.C.
• James Nichols, PHARMD
• Samuel Nissly
• Nuru Diversity LC
• Joseph Michael O'Tool, D.C.
• Kaleb Olson, DC
• Michelle Olson, RPH
• Edina Omerhodzic, PHARMD
• Paul Eirik Otteson, P.A.-C

• Family Medicine Physician in Grimes, IA
• Providers in Grimes, IA by specialty
• Family Medicine Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.